— Air quality in our city is becoming worse and worse.—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
#55017
A
reduce
B
remove
C
collect
D
gather
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He found difficult to improve his English the teacher’s help.
#52346
A
it is; without
B
it was; with
C
it; without
D
that is; with
—Dinner is ready. Help yourself! —Wow! It ________ delicious. Could you please tell me how to cook it?
#52336
A
tastes
B
looks
C
sounds
D
feels